CN110345786A - A kind of three-dimensional heat pipe heat radiation module - Google Patents
A kind of three-dimensional heat pipe heat radiation module Download PDFInfo
- Publication number
- CN110345786A CN110345786A CN201910740586.8A CN201910740586A CN110345786A CN 110345786 A CN110345786 A CN 110345786A CN 201910740586 A CN201910740586 A CN 201910740586A CN 110345786 A CN110345786 A CN 110345786A
- Authority
- CN
- China
- Prior art keywords
- evaporation ends
- fin
- heat pipe
- jet chimney
- heat radiation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005855 radiation Effects 0.000 title claims abstract description 26
- 238000001704 evaporation Methods 0.000 claims abstract description 41
- 230000008020 evaporation Effects 0.000 claims abstract description 41
- 239000012530 fluid Substances 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 16
- 229910052802 copper Inorganic materials 0.000 claims description 13
- 239000010949 copper Substances 0.000 claims description 13
- 239000006260 foam Substances 0.000 claims description 3
- 238000005245 sintering Methods 0.000 claims description 3
- 230000003467 diminishing effect Effects 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 11
- 238000000926 separation method Methods 0.000 abstract description 5
- 238000010992 reflux Methods 0.000 abstract description 3
- 238000012546 transfer Methods 0.000 description 9
- 238000009833 condensation Methods 0.000 description 6
- 230000005494 condensation Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000009466 transformation Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000017525 heat dissipation Effects 0.000 description 3
- 230000004907 flux Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010025 steaming Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/0266—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with separate evaporating and condensing chambers connected by at least one conduit; Loop-type heat pipes; with multiple or common evaporating or condensing chambers
Abstract
The invention discloses a kind of three-dimensional heat pipe heat radiation modules, comprising: evaporation ends, outer surface can be fitted closely with heat source surface, internal to be filled with working medium；Jet chimney is set to the top of the evaporation ends and is connected with the evaporation ends；Fluting fin, one side is connected with the jet chimney and is arranged fluted；Fluid pipeline is set to the lower section of the fluting fin, and one end is connected with the fluting fin, and the other end is connected with the evaporation ends；The evaporation ends, the jet chimney, the fluting fin are connected to form sealing low pressure environment with the fluid pipeline.Above-mentioned three-dimensional heat pipe heat radiation module realizes the vapor-liquid separation of Working fluid flow, and solve steam and liquid reflux working medium in flat-plate heat pipe causes to flow the larger problem of thermal resistance in same space conveying；Steam directly contacts fin basal plane and condenses heat release simultaneously, and solving the problems, such as conventional heat pipe, there are larger thermal contact resistances with fin.
Description
Technical field
The present invention relates to heat transfer element technical field more particularly to a kind of three-dimensional heat pipe heat radiation modules.
Background technique
With the development of the high heat flux densities product such as electronic product, charging pile, heat dissipation problem is increasingly serious, urgently seeks height
The radiator of effect is to guarantee that high heat flux density product works at a suitable temperature.
Second generation product of the flat-plate heat pipe as heat pipe has and heat source surface stickiness height, the superior equal spies of heat transfer property
Point, but nowadays the condensation thermal resistance of flat-plate heat pipe is still very big, the circulation of working medium is seriously affected, to reduce heat transfer property.
The main reason for influencing flat-plate heat pipe flowing thermal resistance is: transfer efficiency of the steam on cold plate is lower and identical
Vapor chamber in steam it is opposite with the flow direction of liquid working substance (i.e. steam rise and liquid flows back downwards).
Summary of the invention
The object of the present invention is to provide a kind of three-dimensional heat pipe heat radiation modules, realize the vapor-liquid separation of Working fluid flow, because
This condensation thermal resistance and working medium transporting resistance reduce, and heat transfer property improves.
To achieve the above object, the present invention provides a kind of three-dimensional heat pipe heat radiation modules, comprising:
Evaporation ends, outer surface can be fitted closely with heat source surface, internal to be filled with working medium；
Jet chimney is set to the top of the evaporation ends and is connected with the evaporation ends；
Fluting fin, one side is connected with the jet chimney and is arranged fluted；
Fluid pipeline is set to the lower section of the fluting fin, and one end is connected with the fluting fin, the other end
It is connected with the evaporation ends；
The evaporation ends, the jet chimney, the fluting fin are connected to form sealing low pressure ring with the fluid pipeline
Border.
Preferably, including jet chimney described in two groups, the fluting fin and the fluid pipeline, it is located at the steaming
The left and right sides of originator.
Preferably, foam copper or copper powder sintering are additionally provided with inside the evaporation ends.
Preferably, the jet chimney is copper pipe, and the copper pipe inner surface is provided with several first grooves.
Preferably, the first groove is circumferentially evenly distributed on the inner surface of the copper pipe.
Preferably, be additionally provided on the side inner wall that is connected with the jet chimney of fluting fin from top to bottom by
Tapered small second groove.
Preferably, the second groove has several, general parallel orientation arrangement.
Three-dimensional heat pipe heat radiation module provided by the present invention, comprising: evaporation ends, outer surface can closely be pasted with heat source surface
It closes, it is internal to be filled with working medium；Jet chimney is set to the top of the evaporation ends and is connected with the evaporation ends；It opens
Slot fin, one side are connected with the jet chimney and are arranged fluted；Fluid pipeline is set to the fluting fin
Lower section, one end are connected with the fluting fin, and the other end is connected with the evaporation ends；The evaporation ends, the steam
Pipeline, the fluting fin are connected to form sealing low pressure environment with the fluid pipeline.
In use, working medium can generate phase transformation under the operating temperature of electronic component, realize that heat quickly and efficiently conveys.Tool
Body, evaporation ends fit with heat source surface, and working medium phase transformation after evaporation ends heat absorption, the working medium after phase transformation enters in vapour form
Steam pipeline above evaporation ends, and then enter in the fluting fin being connected with jet chimney, then in the recessed of fluting fin
Trough wall surface liquidation exothermic reaction, subsequent liquid working substance return to evaporation ends by fluid pipeline under the effect of gravity, and thus working medium is above-mentioned
A heat dissipation circulation is completed inside heat radiation module.
Compared with flat-plate heat pipe in the prior art, above-mentioned three-dimensional heat pipe heat radiation module realizes the vapour-liquid of Working fluid flow
Separation, solve steam and liquid reflux working medium in flat-plate heat pipe causes to flow the larger problem of thermal resistance in same space conveying；
Simultaneously steam directly contact fin basal plane and condense heat release, solve conventional heat pipe with fin asking there are larger thermal contact resistance
Topic.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the overall structure diagram of three-dimensional heat pipe heat radiation module in a kind of specific embodiment of the present invention；
Fig. 2 is the inner sidewall structure schematic diagram of fluting fin in Fig. 1；
Fig. 3 is the cross-sectional structure schematic diagram in Fig. 1 middle steam tube road；
Fig. 4 is the schematic diagram of internal structure of evaporation ends in Fig. 1.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Core of the present invention is to provide a kind of three-dimensional heat pipe heat radiation module, realizes the vapor-liquid separation of Working fluid flow, therefore
Condensation thermal resistance and working medium transporting resistance reduce, and heat transfer property improves.
Fig. 1-4 is please referred to, Fig. 1 is that the overall structure of three-dimensional heat pipe heat radiation module in a kind of specific embodiment of the present invention is shown
It is intended to；Fig. 2 is the inner sidewall structure schematic diagram of fluting fin in Fig. 1；Fig. 3 is that the cross-sectional structure in Fig. 1 middle steam tube road is illustrated
Figure；Fig. 4 is the schematic diagram of internal structure of evaporation ends in Fig. 1.
In the first specific embodiment, three-dimensional heat pipe heat radiation module provided by the invention includes evaporation ends 1, appearance
Face can be fitted closely with heat source surface, internal to be filled with working medium, generally the structure class of the structure of evaporation ends 1 and flat-plate heat pipe
Seemingly.
Above-mentioned heat radiation module further includes jet chimney 2, is set to the top of evaporation ends 1 and is connected with evaporation ends 1.It steams
Steam pipe road 2 can choose copper pipe, naturally it is also possible to be other common used materials of conventional heat pipe, after working medium is absorbed heat at evaporation ends 1
Phase transformation, the working medium after phase transformation enter steam pipeline 2 in vapour form, and jet chimney 2 can be one, or more side by side
Setting, referred to as one group.
Be connected with jet chimney 2 have fluting fin 3, be used to condense working medium, fluting fin 3 on steaming
Be arranged in the one side wall that steam pipe road 2 is connected it is fluted, when steam contacts the groove wall surface, condensation fever, steam will vaporize
Latent heat is transferred to fin, thus substantially reduces thermal resistance.
Fluid pipeline 4 is set to the lower section of fluting fin 3 and coupled logical, and the other end is connected with evaporation ends 1；It is cold
Working medium after solidifying enters evaporation ends 1 under the effect of gravity, by fluid pipeline 4.Thus working medium is complete inside above-mentioned heat radiation module
It is recycled at a heat dissipation.
In general, can be circular arc pipeline by jet chimney 2 and the equal position of fluid pipeline 4.
Above-mentioned evaporation ends 1, jet chimney 2, fluting fin 3 are connected to form sealing low pressure environment with fluid pipeline 4, to guarantee
Working medium can generate phase transformation under the operation is stable of electronic component, be achieved in the rapidly and efficiently transmission of heat.
Compared with flat-plate heat pipe in the prior art, above-mentioned three-dimensional heat pipe heat radiation module realizes the vapour-liquid of Working fluid flow
Separation, solve steam and liquid reflux working medium in flat-plate heat pipe causes to flow the larger problem of thermal resistance in same space conveying；
Simultaneously steam directly contact fin basal plane and condense heat release, solve conventional heat pipe with fin asking there are larger thermal contact resistance
Topic.
Above-mentioned heat radiation module may include the jet chimney 2, fluting fin 3 and fluid pipeline 4 of two groups of designs, be located at
The left and right sides of evaporation ends 1, such heat transfer property are further promoted.
Foam copper or copper powder sintering can also be set inside evaporation ends 1, and both of which is porous structure, such
Words, the capillary attraction of evaporation ends 1 further enhance, and working medium can be promoted preferably to moisten entire evaporation ends 1.In turn, be conducive to
Increase the nucleus of boiling, improves heat exchange efficiency.
When above-mentioned jet chimney 2 is copper pipe, several first grooves 21 further can be set in the copper pipe inner surface, in turn
The capillary of effectively enhancing jet chimney 2 is sharp, accelerates the flowing of steam.Specifically, first groove 21 can be circumferentially uniformly distributed
In the inner surface of the copper pipe.
In a kind of specific embodiment, oneself can also be set on the side inner wall that fluting fin 3 is connected with jet chimney 2
Diminishing second groove 31 under above.Second groove 31 can have several, general parallel orientation arrangement.Second groove 31 is set
It is equipped with the flowing for being conducive to accelerate working medium, the thickness of film condensation is reduced, avoids causing due to working medium in the accumulation of fin inner wall
The increase of thermal resistance deteriorates condensation heat transfer effect, while can also increase heat exchange area, enhances heat transfer effect.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
Three-dimensional heat pipe heat radiation module provided by the present invention is described in detail above.It is used herein specifically a
Principle and implementation of the present invention are described for example, and it is of the invention that the above embodiments are only used to help understand
Method and its core concept.It should be pointed out that for those skilled in the art, not departing from the principle of the invention
Under the premise of, it can be with several improvements and modifications are made to the present invention, these improvement and modification also fall into the claims in the present invention
Protection scope in.
Claims (7)
1. a kind of three-dimensional heat pipe heat radiation module characterized by comprising
Evaporation ends, outer surface can be fitted closely with heat source surface, internal to be filled with working medium；
Jet chimney is set to the top of the evaporation ends and is connected with the evaporation ends；
Fluting fin, one side is connected with the jet chimney and is arranged fluted；
Fluid pipeline is set to the lower section of the fluting fin, and one end is connected with the fluting fin, the other end and institute
Evaporation ends are stated to be connected；
The evaporation ends, the jet chimney, the fluting fin are connected to form sealing low pressure environment with the fluid pipeline.
2. three-dimensional heat pipe heat radiation module as described in claim 1, which is characterized in that
Including jet chimney described in two groups, the fluting fin and the fluid pipeline, it is located at the left and right of the evaporation ends
Two sides.
3. three-dimensional heat pipe heat radiation module as described in claim 1, which is characterized in that
Foam copper or copper powder sintering are additionally provided with inside the evaporation ends.
4. three-dimensional heat pipe heat radiation module as described in claim 1, which is characterized in that
The jet chimney is copper pipe, and the copper pipe inner surface is provided with several first grooves.
5. three-dimensional heat pipe heat radiation module as claimed in claim 4, which is characterized in that the first groove is circumferentially evenly distributed on
The inner surface of the copper pipe.
6. three-dimensional heat pipe heat radiation module as described in claim 1, which is characterized in that
From top to bottom diminishing the is additionally provided on the side inner wall that is connected with the jet chimney of fluting fin
Two grooves.
7. three-dimensional heat pipe heat radiation module as claimed in claim 6, which is characterized in that the second groove has several, substantially
It is arranged in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910740586.8A CN110345786A (en) | 2019-08-12 | 2019-08-12 | A kind of three-dimensional heat pipe heat radiation module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910740586.8A CN110345786A (en) | 2019-08-12 | 2019-08-12 | A kind of three-dimensional heat pipe heat radiation module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110345786A true CN110345786A (en) | 2019-10-18 |
Family
ID=68184711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910740586.8A Pending CN110345786A (en) | 2019-08-12 | 2019-08-12 | A kind of three-dimensional heat pipe heat radiation module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110345786A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030151897A1 (en) * | 2002-02-08 | 2003-08-14 | Cheng-Tien Lai | Heat dissipation device |
| CN1893799A (en) * | 2005-07-08 | 2007-01-10 | 富准精密工业(深圳)有限公司 | Loop-type radiating module group |
| CN1892165A (en) * | 2005-07-08 | 2007-01-10 | 富准精密工业(深圳)有限公司 | Flat type heat-pipe |
| CN1936481A (en) * | 2005-09-23 | 2007-03-28 | 鸿富锦精密工业（深圳）有限公司 | Heat pipe and radiating model group |
| CN101242729A (en) * | 2007-02-07 | 2008-08-13 | 中国科学院工程热物理研究所 | Thermal control method and system based on capillary slot group and thermal power combination |
| CN109945708A (en) * | 2019-05-06 | 2019-06-28 | 广东工业大学 | A kind of reinforcing heat pipe of gas-liquid separation |
-
2019
- 2019-08-12 CN CN201910740586.8A patent/CN110345786A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030151897A1 (en) * | 2002-02-08 | 2003-08-14 | Cheng-Tien Lai | Heat dissipation device |
| CN1893799A (en) * | 2005-07-08 | 2007-01-10 | 富准精密工业(深圳)有限公司 | Loop-type radiating module group |
| CN1892165A (en) * | 2005-07-08 | 2007-01-10 | 富准精密工业(深圳)有限公司 | Flat type heat-pipe |
| CN1936481A (en) * | 2005-09-23 | 2007-03-28 | 鸿富锦精密工业（深圳）有限公司 | Heat pipe and radiating model group |
| CN101242729A (en) * | 2007-02-07 | 2008-08-13 | 中国科学院工程热物理研究所 | Thermal control method and system based on capillary slot group and thermal power combination |
| CN109945708A (en) * | 2019-05-06 | 2019-06-28 | 广东工业大学 | A kind of reinforcing heat pipe of gas-liquid separation |
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